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More Than Bread: Sourdough As a Window Into The Microbiome

An image of Penicillium colonies. The white colony is a mutant similar to the mold found in Camembert cheese. The green ones are the wild form.

Home bakers in the U.S., Europe and some other countries have volunteered their sourdough starters to a team of American scientists who want to unravel the microbial secrets of sourdough.

(Image credit: Courtesy of Benjamin Wolfe)

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